摘要:
An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an air venting opening for communication between the container and ambience to allow supply of the ink from the container to the recording head; wherein the air venting opening is constituted by an outside opening and an inside opening and a passage connecting them, the passage has a length larger than a thickness of the ink container.
摘要:
An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an air venting opening for communication between the container and ambience to allow supply of the ink from the container to the recording head; wherein the air venting opening is constituted by an outside opening and an inside opening and a passage connecting the openings, the passage has a length larger than a thickness of the ink container.
摘要:
An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an air venting opening for communication between the container and ambience to allow supply of the ink from the container to the recording head; wherein the air venting opening is constituted by an outside opening and an inside opening and a passage connecting them, the passage has a length larger than a thickness of the ink container.
摘要:
This invention relates to an ink jet recording apparatus with a support member for supporting an ink jet recording head for effecting recording by ink discharge onto a recording material, comprising: recording material transport means for transporting the recording material from a feeding position through a recording position to a discharge position; and recovery means for maintaining and restoring the ink discharge state of said ink jet recording head. The driving source for driving the recording material transport means or support member is also used for driving the recovery means, and, when the power supply to the apparatus is turned on, the initial operations of at least the recording material transport means and the recovery means are conducted utilizing a single sensor.
摘要:
An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an ink supply port for supplying the ink from the container to the head; a porous ink absorbing material disposed in the container and having a ring shape with a central opening; and an engaging portion engaging with the central opening wherein the absorbing material has a higher density proximate to the supply port than proximate to the engaging portion.
摘要:
An ink jet head cartridge includes an ink jet head unit having an ink passage in which an energy generating element for generating energy used to discharge ink is disposed, and an ink tank adapted to store the ink to be fed to the ink passage and having a vent opening for permitting the interior of the ink tank to communicate with the atmosphere and being formed integrally with the ink jet head unit. In the ink jet cartridge an area where an ink absorber is disposed, and an air area at least a part of which is defined by a tubular member and which is filled with air, are formed in an internal space of the ink tank, and a porous member is disposed in an air passage extending from the air area to the vent opening. An ink tank can be incorporated into the above-mentioned ink jet head cartridge, and an ink jet recording apparatus utilizing the above-mentioned ink jet head cartridge can be provided.
摘要:
A plurality of recording heads for ejecting inks of different colors are reciprocally moved relative to a recording medium, and printing operations are performed by executing main scans in forward and backward scans of the recording heads. In this case, an area printable in a single main scan is recorded by performing a plurality of main scans using a plurality of thinning patterns in which an m×n pixel group is defined as a unit pixel group, and the pixel groups are arranged at non-neighboring positions, and which have a complementary arrangement relationship therebetween. A high-quality color image free from time difference nonuniformity, and density nonuniformity caused by, e.g., variations of recording elements is obtained at high speed.
摘要:
A recording apparatus wherein a recording head which has been mounted can be identified more precisely by measuring characteristics of the recording head to obtain information for defining a drive condition of the head and storing the characteristics as ID information of the recording head.
摘要:
A recording method in which ink is ejected by thermal energy produced by a heat generating element of a recording head in response to application of a driving signal thereto including the steps of changing a waveform of the driving signal in accordance with a temperature of the recording head; and selecting a fixed waveform of the drive signal when the temperature of the recording head exceeds a predetermined level.
摘要:
A container for containing printing liquid for supplying to an ink jet head for an ink jet recording apparatus. The container includes a first chamber containing negative pressure producing material and having an air vent communicating with ambient air and a supply port for supplying printing liquid to the ink jet head. The container also includes a second chamber communicating with the first chamber via a communication port and providing a printing liquid reservoir for the first chamber. The capillary force provided by the negative pressure producing material adjacent a wall extending from the communication port and decreasing in a direction perpendicular to and towards the wall at least adjacent a part of the communication port which is uppermost in use of the container.